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Atlanta’s New Ordinance Raises the Bar on Cool Roofs

Law Columbia

Photo by Steve Matthews on Unsplash Earlier this month, on June 2, 2025, Atlanta’s City Council unanimously passed a state-of-the-art ordinance to require cool roofs throughout the whole city, immediately propelling Atlanta to the forefront of local climate adaptation measures. Local control of building codes varies significantly.

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The AMOC is slowing, it’s stable, it’s slowing, no, yes, …

Real Climate

Of the 24 CMIP6 models, a full 23 underestimate the sea surface cooling in the ‘cold blob’ And most of the CMIP6 models even show a strengthening of the AMOC in the historic period, which past studies have shown to be linked to strong aerosol forcing in many of these models (e.g. The reconstruction by Frajka-Williams et al.

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Ocean circulation going South?

Real Climate

While even the earliest climate projections from the 1980s suggested that the climate change signal around Antarctica would be muted (especially compared to the Arctic), they did not predict that it would actually cool – which it actually has (at least until around 2015/2016). So what does this mean? but causality is hard.

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Alaska Communities Struggle for Baseline Water Data Amid Climate Uncertainty

Circle of Blue

The report identifies several streams in the basin that, despite warming air temperatures, are expected to remain cool enough for salmon to thrive or rest within during days of extreme heat. percent, relative to 2015. While identifying areas of concern, the team also looked for bright spots.

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Promoting Coal, Trump Looks Backward

Circle of Blue

These trends converged in Paris in 2015 when 195 countries signed a legally binding international treaty on climate change to reduce greenhouse gas emissions and attempt to keep global temperatures from rising to more dangerous levels. In the United States, coal production actually did peak in 2008 at 1.2

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Data Centers a Small, But Growing Factor in Arizona’s Water Budget

Circle of Blue

In aggregate, their power demands and water consumption for cooling have increased exponentially, prompting concerns about the sustainability of data center growth in the Southwest. If the local climate is right, they can use ambient air to cool their servers. Despite the environmental anxieties, there is reason for optimism on water.

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How Bird Flu Went from Devastating Poultry Farms to Infecting Dairy Herds

Scientific American

For example, in an outbreak of H5N2 and H5N8 bird flus from 2014 to 2015 farmers lost more than 50 million poultry birds. Those numbers are brutal, but after the 2014–2015 outbreak of H5N2 and H5N8 poultry farmers knew what to expect from the virus in terms of bird losses. Jada Thompson: It’s different than 2015.